add support for ao linearity calibration on at-mio-16e-1 and at-mio-16e-2
add support for ao linearity calibration on at-mio-16e-1 and
at-mio-16e-2

olsonse/comedilib,Linux-Comedi/comedilib,olsonse/comedilib,olsonse/comedilib,olsonse/comedilib,Linux-Comedi/comedilib,olsonse/comedilib,Linux-Comedi/comedilib,olsonse/comedilib,Linux-Comedi/comedilib,Linux-Comedi/comedilib,Linux-Comedi/comedilib